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CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit us our main site Here

If you're not a member and would like to join see our Membership Application

We thank everybody who has helped make CONECA the great success that it is today!

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279773
279773
Last Activity: 01-06-2025, 08:51 AM
Joined: 02-22-2023
Location: Maine
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2011 D Lincoln Cent DDO (Topic in the Mint Error Forum forum)
04-17-2023, 12:25 AM
2011-D N/A (SACAGAWEA) DOLLAR multiple strikes in inclusing device (Topic in the Mint Error Forum forum)
01-13-2024, 11:30 PM
2013 P 1Cent. Does it have a retained strike through? (Topic in the General Forum forum)
09-04-2023, 10:28 PM
2013 P-1 Cent. Obverse Grease?. (Topic in the Mint Error Forum forum)
10-16-2023, 01:15 PM
2014 1 cent. Is it enough for a bisecting die crack? (Topic in the Mint Error Forum forum)
04-06-2023, 09:22 AM
2015 Dime with weak pressing (Topic in the Mint Error Forum forum)
10-25-2023, 12:20 AM
2015 Lincoln Cent - Die Error? (Topic in the Mint Error Forum forum)
01-04-2024, 03:03 AM
2015d 25c Strike Through, Missing Clad, Thin Planchet, Weak Strike !!! (Topic in the Mint Error Forum forum)
04-09-2023, 06:12 PM
2016 1 cent. Is this a die adjustment coin? (Topic in the Mint Error Forum forum)
12-21-2023, 03:15 AM
2019 1 Cent. Die crack, obverse. Date. (Topic in the Mint Error Forum forum)
02-27-2023, 02:27 PM
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